510(k) Report

FDA product code · Ear, nose and throat

Depressor, Metal Tongue, Surgical

KBLClass I21 CFR 874.4420510(k) exempt1 decision since 19820 recalls

FDA lists KBL as exempt from 510(k): a device of this type needs no clearance unless one of the limits in 21 CFR 874.9 applies, such as a new intended use or a different fundamental technology. 1 FDA decision since 1982. No recall names this code.

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026 Download the data (CSV)

FIG. A — Illustration, ear, nose and throat panel

Twenty years of KBL at a glance: how often FDA decides these devices, how long 510(k) reviews take, how often they are recalled, and how many adverse event reports name the code.

FDA decisions per year · KBL

FDA has decided no KBL device since 2007.

Median 510(k) review, days · KBL

Too few KBL 510(k)s in any year since 2007 to give a median.

Recalls per year · KBL

No recall names KBL since 2007.

Adverse event reports per year · KBL

1in 2025

2025: 1
2007high 1 (2025) · low 0 (2007)2025

MAUDE reports naming product code KBL, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20080—00
20090—00
20100—00
20110—00
20120—00
20130—00
20140—00
20150—00
20160—00
20170—00
20180—00
20190—00
20200—00
20210—00
20220—00
20230—00
20240—00
20250—01
20260—0—
FIG. 1 — KBL by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in KBL? A 510(k) Report ranks candidate predicates in this code by lineage, citations and recall history, with the review-time outlook.

See the 510(k) Report

Related product codes

Other codes under 21 CFR 874.4420.